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  <h1>libc++ Upcoming Meeting Status</h1>
  <!--*********************************************************************-->

  <p>This is a temporary page; please check the c++2a status <a href="cxx2a_status.html">here</a></p>
  <p>This page shows the status of the papers and issues that are expected to be adopted in the next WG21 Meeting.</p>

  <p>The groups that have contributed papers:
  <ul>
    <li>LWG - Library working group</li>
    <li>CWG - Core Language Working group</li>
    <li>SG1 - Study group #1 (Concurrency working group)</li>
  </ul>
  </p>

  <h3>Paper Status</h3>
	<table border="1">
	<tr><th>Paper #</th><th>Group</th><th>Paper Name</th><th>Meeting</th><th>Status</th></tr>
	</table>


  <h3>Library Working group Issues Status</h3>
  <table id="issues" border="1">
	<tr><th>Issue #</th><th>Issue Name</th><th>Meeting</th><th>Status</th></tr>
	
<tr><td><a href="https://wg21.link/LWG3231">3231</a></td><td><tt>year_month_day_last::day</tt> specification does not cover <tt>!ok()</tt> values</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3225">3225</a></td><td><tt>zoned_time</tt> converting constructor shall not be <tt>noexcept</tt></td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3190">3190</a></td><td><tt>std::allocator::allocate</tt> sometimes returns too little storage</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3218">3218</a></td><td>Modifier for <tt>%d</tt> parse flag does not match POSIX and <tt>format</tt> specification</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3224">3224</a></td><td><tt>zoned_time</tt> constructor from <tt>TimeZonePtr</tt> does not specify initialization of <tt>tp_</tt></td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3230">3230</a></td><td>Format specifier <tt>%y/%Y</tt> is missing locale alternative versions</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3232">3232</a></td><td>Inconsistency in <tt>zoned_time</tt> deduction guides</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3222">3222</a></td><td>P0574R1 introduced preconditions on non-existent parameters</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3221">3221</a></td><td>Result of <tt>year_month</tt> arithmetic with <tt>months</tt> is ambiguous</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3235">3235</a></td><td><code>parse</code> manipulator without abbreviation is not callable</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3246">3246</a></td><td>What are the constraints on the template parameter of <tt>basic_format_arg</tt>?</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3253">3253</a></td><td><tt>basic_syncbuf::basic_syncbuf()</tt> should not be explicit</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3245">3245</a></td><td>Unnecessary restriction on <tt>'%p'</tt> parse specifier</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3244">3244</a></td><td>Constraints for <tt>Source</tt> in &sect;[fs.path.req] insufficiently constrainty</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3241">3241</a></td><td><tt>chrono-spec</tt> grammar ambiguity in &sect;[time.format]</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3257">3257</a></td><td>Missing feature testing macro update from P0858</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3256">3256</a></td><td>Feature testing macro for <tt>constexpr</tt> algorithms</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3273">3273</a></td><td>Specify <tt>weekday_indexed</tt> to range of <tt>[0, 7]</tt></td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3070">3070</a></td><td><tt>path::lexically_relative</tt> causes surprising results if a filename can also be a  <i>root-name</i></td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3266">3266</a></td><td><tt>to_chars(bool)</tt> should be deleted</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3272">3272</a></td><td><tt>%I%p</tt> should parse/format <tt>duration</tt> since midnight</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3259">3259</a></td><td>The definition of <i>constexpr iterators</i> should be adjusted</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3103">3103</a></td><td>Errors in taking subview of <tt>span</tt> should be ill-formed where possible</td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3274">3274</a></td><td>Missing feature test macro for <tt>&lt;span&gt;</tt></td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3276">3276</a></td><td>Class <tt>split_view::outer_iterator::value_type</tt> should inherit from <tt>view_interface</tt></td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3277">3277</a></td><td>Pre-increment on prvalues is not a requirement of <tt>weakly_incrementable</tt></td><td>Belfast</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3149">3149</a></td><td><tt>DefaultConstructible</tt> should require default initialization</td><td>Belfast</td><td></td></tr>
</table>

<h3>Issues to "Review"</h3>
<table border="1">
<tr><th>Issue #</th><th>Issue Name</th><th>Meeting</th><th>Status</th></tr>
</table>

<h3>Comments about the papers</h3>
<ul>
</ul>


<h3>Comments about the issues</h3>
<ul>
<li>3231 - </li>
<li>3225 - </li>
<li>3190 - </li>
<li>3218 - </li>
<li>3224 - </li>
<li>3230 - </li>
<li>3232 - </li>
<li>3222 - </li>
<li>3221 - </li>
<li>3235 - </li>
<li>3246 - </li>
<li>3253 - </li>
<li>3245 - </li>
<li>3244 - </li>
<li>3241 - </li>
<li>3257 - </li>
<li>3256 - </li>
<li>3273 - </li>
<li>3070 - </li>
<li>3266 - </li>
<li>3272 - </li>
<li>3259 - </li>
<li>3103 - </li>
<li>3274 - </li>
<li>3276 - </li>
<li>3277 - </li>
<li>3149 - </li>
</ul>



<p>Last Updated: 22-Oct-2019</p>
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